title: Thyroxine and triiodothyronine concentration in the serum of bull-calves and its dependence season of birth and relationship to body weight gain.
mesh_terms: D000818:Animals; D001835:Body Weight; D002417:Cattle / Q000097:blood / Q000254:growth & development*; D008297:Male; D012621:Seasons; D013974:Thyroxine / Q000097:blood*; D014284:Triiodothyronine / Q000097:blood*
chemical_list: D014284:Triiodothyronine; D013974:Thyroxine